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Memorial Day Weekend is just around the corner, and that means backyard barbeques and trips to the beach. As you gear up to head outside, remember to take sunburn precautions. Nothing spoils the holiday fun like red, blistered, painful skin.

A few tips from the EPA and FDA. Limit your time in the sun, especially from 10-2 when UV rays are strongest. Cover up whenever possible. Use water resistant sunscreen when swimming or exerting yourself. And this one is key: REAPPLY. Specifically, the EPA recommends:

Use a broad-spectrum sunscreen with an SPF rating of 15 or higher. Apply sunscreen 20 minutes before going out into the sun (or as directed by the manufacturer) to give it time to absorb into your skin. Apply it generously and regularly—about 1 ounce every 2 hours—and more often if you are swimming or perspiring.

As for choosing a sunscreen, once again the folks at the Environmental Working Group have done the heavy lifting. Their 184 top-rated beach and sport sunscreens are below; on EWG’s website you’ll find lots more info and ratings for many, many more products—including moisturizers, lip balm, and makeup with SPF—as well as their free app.

Now, on to the top-rated beach and sport sunscreens. All earned a ‘1’ or a ‘2’ from EWG, which scores products on a on a scale of 1 to 10: 0-2 is low hazard; 3-6 is moderate hazard; 7-10 is high hazard.